The HearthStone, Shelburne is constructed of high-quality cast iron parts from our Spanish foundry and finished with beautiful porcelain enamel. Finished From Every Angle. The Shelburne is designed to be seen from all sides. With a fully detailed and enameled backside, this cast iron stove looks great in the center of a room. TruHybrid™ + Soapstone. Lined with soapstone blocks and using our TruHybrid™ technology, the Manchester offers long-lasting and efficient heat.